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DTLS-based CoAP Security Mechanism Analysis and Performance Evaluation  

Han, Sang woo (단국대학교/컴퓨터학과 소프트웨어보안)
Park, Chang seop (단국대학교/소프트웨어학과)
Cho, Jung mo (단국대학교/컴퓨터학과 소프트웨어보안)
Publication Information
Convergence Security Journal / v.17, no.5, 2017 , pp. 3-10 More about this Journal
Abstract
Standard Protocol Optimized for Resource-Constrained IoT Environment Constrained Application Protocol (CoAP) supports web-based communication between a sensor node in the IoT environment and a client on the Internet. The CoAP is a Request / Response model that responds to the client's CoAP Request message by responding with a CoAP Response message from the server. CoAP recommends the use of CoAP-DTLS for message protection. However, validation of the use of DTLS in the IoT environment is underway. We analyze CoAP and DTLS security mode, evaluate performance of secure channel creation time, security channel creation step time, and RAM / ROM consumption through Cooja simulator and evaluate the possibility of real environment application.
Keywords
IoT(Internet of Things); CoAP(Constrained Application Protocol); DTLS(Datagram TLS); Cooja;
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